package com.atht.springcloud.service;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.concurrent.TimeUnit;

@Service
public class PaymentService {
    /**
     * 正常访问
     * @param id
     * @return
     */
    public String paymentInfo_OK(Integer id){
        return "线程池"+Thread.currentThread().getName()+"paymentInfo_OK,id"+id+"\t"+"O(∩_∩)O哈哈~";
    }

    @HystrixCommand(fallbackMethod = "paymentInfo_TimeOutHandler",commandProperties = {
            @HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds",value = "5000")
    })
    public String paymentInfo_TimeOut(Integer id){
        int timeNumber = 3;
        try {
            TimeUnit.SECONDS.sleep(timeNumber);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return "线程池"+Thread.currentThread().getName()+"paymentInfo_TimeOut,id"+id+"\t"+"O(∩_∩)O哈哈~"+"耗时三秒钟";
    }
    public String paymentInfo_TimeOutHandler(Integer id){
        return "线程池"+Thread.currentThread().getName()+"系统繁忙稍后再试,id"+id+"\t"+"o(╥﹏╥)o"+"耗时三秒钟";

    }

    //服务熔断
    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback",commandProperties = {
            @HystrixProperty(name="circuitBreaker.enabled",value = "true"),//是否开启断路器
            @HystrixProperty(name="circuitBreaker.requestVolumeThreshold",value = "10"),//请求次数
            @HystrixProperty(name="circuitBreaker.sleepWindowInMilliseconds",value = "10000"),//时间窗口期
            @HystrixProperty(name="circuitBreaker.errorThresholdPercentage",value = "60"),//失败率达到多少后跳闸
    })
    public String paymentCircuitBreaker(@PathVariable("id") Integer id){
        if(id<0){
            throw new RuntimeException("========id不能为负数");
        }
        String serialNumber = IdUtil.simpleUUID();
        return Thread.currentThread().getName()+"调用成功，流水号："+serialNumber;
    }

    public String paymentCircuitBreaker_fallback(@PathVariable("id") Integer id){
        return "id不能为负数，请稍后再试";
    }

    //模拟添加一个业务

}
